2 layers52.2 × 52.2 mm
Base promicro
google/mozc-devices
Circuit diagrams and firmware source code for Gboard DIY keyboards
30 parts3kApache-2.0
2 layers125 × 35 mm
Mentaldsp
thvofi/mentaldsp1- Size
- 125 × 35 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 30
- Nets
- 37
- Pads
- 133
- Tracks, vias
- 228, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 17 Mar 2026
- Updated
- 5 Jun 2026
Overview
Mentaldsp is an open-source printed circuit board by thvofi, from the thvofi/mentaldsp repository on GitHub. It is a 2-layer board of 125 × 35 mm with 30 parts on 37 nets, routed with 228 tracks and 0 vias.
Its parts include 13 capacitors, 5 resistors, 4 ICs and 4 connectors. It belongs with the ESP32 boards of this library.
Parts
30| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 100n | Capacitor_SMD:C_1206_3216Metric | C1, C2, C3, C4, C6, C8, C10, C12 |
| 4 | 10u | Capacitor_SMD:C_1206_3216Metric | C5, C7, C9, C11 |
| 4 | ~ | PCM_fab:MountingHole_M3 | H1, H2, H3, H4 |
| 3 | 0 | Resistor_SMD:R_1206_3216Metric | R5, R7, R8 |
| 3 | NEMA Conn | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J5, J7, J8 |
| 1 | 10k | Resistor_SMD:R_1206_3216Metric | R6 |
| 1 | 1k | Resistor_SMD:R_1206_3216Metric | R2 |
| 1 | 220u | PCM_fab:CP_Elec_100uF_Panasonic_EEE-FN1E101UL | C13 |
| 1 | Conn_PWRJack_2x5.5mm_CUIDevices_PJ-002AH-SMT-TR | PCM_fab:CUIDevices_PJ-002AH-SMT-TR_PWRJack_2x5.5mm | J1 |
| 1 | ESP32-S3-SUPERMINI | lib_footprint:ESP32-S3-SuperMini | U6 |
| 1 | TMC2209_N0 | lib_footprint:BTT_TMC2209 | U7 |
| 1 | TMC2209_N1 | lib_footprint:BTT_TMC2209 | U9 |
| 1 | TMC2209_N2 | lib_footprint:BTT_TMC2209 | U8 |
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Questions
How big is the Mentaldsp PCB?
It measures 125 × 35 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Mentaldsp use?
30 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Mentaldsp KiCad files?
From the thvofi/mentaldsp repository on GitHub, at the commit this page was made from: the board is mentaldsp.kicad_pcb and its schematic mentaldsp.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Mentaldsp design in my own project?
Its repository states no licence, so its author keeps all rights: ask thvofi before reusing the design.